Analysis
- max time kernel
95s - max time network
120s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
26/03/2024, 11:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
df1230dc14c48eea4cbf1f2bf9661569.dll
Resource
win7-20240221-en
windows7-x64
3 signatures
150 seconds
General
- Target df1230dc14c48eea4cbf1f2bf9661569.dll
- Size 272KB
- Sample240326-nr29aacb4w
- SHA256 57cb3f35fcf9223486fe0f2197d686bc2312c4ecd52e05e41008ff19a9cb192d
- MD5 df1230dc14c48eea4cbf1f2bf9661569
- SHA1 734610c8a889decdbd4da9fdaa5c1fbf35a924ef
- SHA512 6496d69816e74714120d2b3c883e61ecc4d87d52664ad19c950c80a3779a18a6617aa5628fae46937b6a6c3c102b17eee2deedd3e9ded1ef80fd3caca29ab87b
- SSDEEP 6144:rvr4LUQLO8C3uv0yv0189Bl0/HO8I9HZXMJ7X8MMXYGln1X:GY3yv08Bl0/HshZXMDMIGrX
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Installs/modifies Browser Helper Object 2 TTPs 4 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}\ = "LivingPlay Text" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}\NoExplorer = "1" regsvr32.exe - Modifies registry class 26 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\LivingPlayText.Linker\CLSID\ = "{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\df1230dc14c48eea4cbf1f2bf9661569.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\LivingPlayText.Linker\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\LivingPlayText.Linker\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\LivingPlayText.Linker\CurVer\ = "LivingPlayText.Linker.1" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000_Classes\WOW6432Node\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}\ProgID\ = "LivingPlayText.Linker.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}\VersionIndependentProgID\ = "LivingPlayText.Linker" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\LivingPlayText.Linker.1\CLSID\ = "{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\LivingPlayText.DLL regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\LivingPlayText.Linker.1\ = "LivingPlay Text" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\LivingPlayText.Linker.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\LivingPlayText.Linker regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\LivingPlayText.Linker\ = "LivingPlay Text" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}\ = "LivingPlay Text" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\LivingPlayText.DLL\AppID = "{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4A0BA746-D4D6-41a6-81EF-413E52B5F8D6}\TypeLib\ = "{3E4A53CD-A9EA-47e9-A0B0-B70C6076EDD0}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\LivingPlayText.DLL\ = "LivingPlayText" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\LivingPlayText.Linker.1 regsvr32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5952 wrote to memory of 5264 5952 regsvr32.exe 84 PID 5952 wrote to memory of 5264 5952 regsvr32.exe 84 PID 5952 wrote to memory of 5264 5952 regsvr32.exe 84
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\df1230dc14c48eea4cbf1f2bf9661569.dll1⤵
- Suspicious use of WriteProcessMemory
PID:5952 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\df1230dc14c48eea4cbf1f2bf9661569.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:5264
-